Author: David A. Harding 2020-04-22 11:51:30
Published on: 2020-04-22T11:51:30+00:00
The email thread discusses the enforcement of BIP125 rule 3, which requires each replacement to pay a higher fee rate than the previous transaction. The main reason for this is to prevent excessive waste of bandwidth. Without this rule, an attacker could perform multiple replacements with increasing fees and ultimately produce a transaction with a very high fee rate while wasting a large amount of network bandwidth. While miners may be more tolerant of wasted bandwidth, relay nodes do not receive direct financial compensation for processing and relaying unconfirmed transactions, so they are much less tolerant of such behavior. Relay nodes help protect against miner centralization, but their rewards are largely intangible. Therefore, it is important to keep the cost of operating a relay node within a reasonable margin of the cost of operating a minimal-bandwidth blocks-only node.
Updated on: 2023-06-14T00:34:31.423936+00:00